"White sharks are coastal during this time of year and can come quite close to shore," a shark expert said.
"From the description of the incident, the victim is lucky not to have sustained more serious injury or worse," one shark researcher told Newsweek.
Marine biologist Ingrid Visser told Newsweek the fish is likely to have been attacked while hooked on the line.
"I think we were teenagers at the same time together," Ocean Ramsey said of the 16-foot-long tiger shark she named Queen Nikki.
South Africa's National Sea Rescue Institute says there has been more shark activity than usual this year, although the attack was deemed "very unusual."
"I kept saying to them do not be afraid of sharks, the chances of ever getting bit by a shark are so slim," victim Karren Sites said she told her family.
The 58-year-old woman had been snorkeling when the bull shark attacked, causing severe injuries to her upper body. Her family witnessed the incident.
Karren Sites was bitten on the arm by a shark at Myrtle Beach, South Carolina.
Alison Towner who has been studying these killings since they began five years ago shared images of the latest kill on Facebook.
A South Carolina police officer said one of the swimmers had sustained a "bad bite" to the forearm.
Luke Pascoe was rescued by his best friend after the shark sank its teeth into his leg.
Jameson Reeder Jr. had been snorkeling with his family when the shark attacked. He began screaming and crying for help.
A fourth gray nurse shark, one of the most endangered shark species, has washed up dead in Australia in less than a year.
"He kept saying, 'Dad I don't want to die. Dad I don't want to go to heaven,'" said father Michael Downer.
Great whites are classified as a "vulnerable" species, having seen a reduction in population worldwide by up to 49 percent over the last 159 years.
Breton, a huge shark, measuring over 13 feet and weighing almost 1,500 pounds, has been swimming around the state recently.
Addison Bethea, who had to have her right leg amputated above the knee after she was attacked by a shark, now needs further surgeries due to complications.
There have been three shark bites in Florida in recent weeks, however this does not mean incidents are increasing.
Bruns had jumped into the ocean for a swim when her husband suddenly saw "nothing but blood in the water."
Kim Reilly, who filmed the footage, said she was scarred for life after watching the "horrific" attack.
Addison Bethea was scalloping on a beach near her home in Perry when she was attacked by a shark, requiring the amputation of her lower right leg.
The incident is among several shark attacks and bites that have been reported around the U.S. in recent weeks.
"Camo Sharks" kicks off National Geographic's upcoming Sharkfest extravaganza.
Two killer whales have been killing Great White sharks off the coast of South Africa, causing the sharks to avoid their regular territory.
Eyewitnesses reported the shark attacking a swimmer at 14.09 p.m. local time. Just one minute later, the shark was caught on film.
Bite marks on the fossilized skulls of ancient sperm whales have shown that ancestral sharks had a preference for feeding on their large, fatty nasal organs.
In upcoming National Geographic documentary, marine biologists explore the idea that sharks with aggressive personalities may be the reason for some attacks.